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https://issues.apache.org/jira/browse/YARN-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357852#comment-14357852
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Vinod Kumar Vavilapalli commented on YARN-2495:
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bq. Well as craig informed, RegisterNodeManagerRequestProto.nodeLabels is
already a set but as by default empty set is provided by protoc, its req to
inform whether labels are set as part of request hence areNodeLabelsSetInReq is
required.
It's just that I don't like this _areNodeLabelsSetInReq_ flag in the protocol.
Are there other ways of achieving this?
bq. Well i am little confused here, As per wangda's earlier comment i
understand that it was your comment to send shutdown (which i felt correct in
terms of maintenance)
I think treating invalid labels as a disaster case will be, well, a disaster.
How about we let the node run (just like we let an unhealthy node run) and
report it in the diagnostics? I'm okay keeping that same behavior during
registration too.
> Allow admin specify labels from each NM (Distributed configuration)
> -------------------------------------------------------------------
>
> Key: YARN-2495
> URL: https://issues.apache.org/jira/browse/YARN-2495
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Wangda Tan
> Assignee: Naganarasimha G R
> Attachments: YARN-2495.20141023-1.patch, YARN-2495.20141024-1.patch,
> YARN-2495.20141030-1.patch, YARN-2495.20141031-1.patch,
> YARN-2495.20141119-1.patch, YARN-2495.20141126-1.patch,
> YARN-2495.20141204-1.patch, YARN-2495.20141208-1.patch,
> YARN-2495.20150305-1.patch, YARN-2495.20150309-1.patch,
> YARN-2495_20141022.1.patch
>
>
> Target of this JIRA is to allow admin specify labels in each NM, this covers
> - User can set labels in each NM (by setting yarn-site.xml (YARN-2923) or
> using script suggested by [~aw] (YARN-2729) )
> - NM will send labels to RM via ResourceTracker API
> - RM will set labels in NodeLabelManager when NM register/update labels
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